diff --git a/vimrc b/vimrc
index 2b07472..7d8f429 100644
--- a/vimrc
+++ b/vimrc
@@ -269,6 +269,7 @@ augroup vimrc
   autocmd FileType eruby                 setl softtabstop=2 shiftwidth=2
   autocmd FileType coffee                setl softtabstop=4 shiftwidth=4
   autocmd BufRead,BufNewFile Guardfile   setf ruby
+  autocmd BufRead,BufNewFile Steepfile   setf ruby
   autocmd BufRead,BufNewFile Vagrantfile setf ruby
   autocmd BufRead,BufNewFile Steepfile   setf ruby
   autocmd BufRead,BufNewFile *.skim      setf slim